Improvement in vapor-stoves



H; R. LEWIS.

Vapor Stove.

Patnted June 21, 1864.

No. 43,215. v

am Y A N. Prrsns. Pnuwmmgnpmf. wnhingmn. nc

UNITED STATES PATENT OFFICE.

IMPROVEMENT IN VAPOR-STOVES:

Spccilication forming part of Letters Patent No. 43,215. dated June 2l, 1864.

To all whom it may concern:

Be it known that I, RUSSEL R. LEWIS, of the city, county,'and State of New York, have invented a newA and uset'ul `Improvement in Vapor-Stoves',of which the following is a full, clear, and exact description, referencebeing had to the accompanying drawings, which make part of this specification, and in which- Figure larepresents 'a view in perspective of so much ot' my improved heating apparatus asis necessary to illustrate my invention, a portion of the stand which supports the apparatus being broken away to showthe parts more clearly; and Fig. 2 represents 'a vertical longit-udinal central section through a portion ofthe same.

Itis the object of my invention to provide a cheap, simple, and e'icient apparatus for ladapting the heavier hydrocarbons, such as coal-oil,naphtha, &c., to both heating and cooking purposes; and to this end my improvement consists in combining, with a ljuidd`uct connected with the reservoir an expansive chamber, a jet, and a heatercap,in such manner that thevapor shall impinge upon and be distributed ou or over the under surface of the cap in a thin stratum, where it can be freely'supplied with oxygen, as hereinafter more fullyV` described.'

Y In the accompanying drawings, which ex,- einplify alconveni'ent mode of carrying out the object of my invention, the apparatus is 'shown as supported upon a stand,A A disk or heater-cap, B, rests upon two solid Stand ards, C, connected with a block, l), contaiuin' an ex ansich-chamber, E' which com- Inunicatcs with a fluid-chamber, F, beneath it. by means ot' an opening, c. A screw-cap, G, closes the expansion-chamber at top. A ta pering hole, g, is drilled through this cap `to form ajet for the escape of the tluid.

A set-screw, H, passes up through the fluid chamber and into the expansion-chamber, being reducedv in size where it passes through the hole in the bottom of the expansion-chamber, in vorder topermit the vapor to pass up from'the fluid-chamber. .This screw likewise has a taperingpoint tol ti'tinto the opening ofthe jet g in order t'o regulate the-*escape of the vapor or to shut it otialtogcther.

level of' the burner.

A wick-tube, I, connects the fluid-chamber F with a tube, J, leading to a reservoir situated at any convenient point above the The wiclctube `is filled with cotton or other suitable wick, in order to regulate the ow of the huid andfprevent its oscillation in the chamber.

A stop-cock, K, serves to shut olf or regulate the ow ofthe fluid from the reservoir.

Screw-plugs 'i are inserted in the ends of the wick-tube andl fluid-chamber in such manner that they can be readily removed when the pipes require cleansing.

The operation ot' my improved apparatus is ,as follows: The stopcock K is turned so as to permit the fluid to flow through the wick-tube into the fluid-chamber F. The head of the screw H has ashallow depression or channel, h, in its upper surface, into which va little `al cohol or burning-fluid is poured and ignited. The combustion ot' this Huid warms the cham ber F enough to vaporize the lluid which passes up through the opening e into the expansion-chamber E, which may be lled with emery or other granulated refractory material. It thenescapeslthrough Athe jet g and impinges against the under surface of the heater B, over which it Vis diffused in a thin sheet where it can mix freely with air, and where it is ignited. comes hot, and communicates its caloric through the standards C to the fluid and eX`V` pansion chambers, especially to the latter, by which means the vaporization is constantly maintained. After the parts become sut ciently warmed, the expansive force is very great, and the vapor is expelled through the jet with the force ot' a compound blow-pipe.

The llow of the fluid is regulated by the stop-cock K,'\v.hlle that of the vapor is coutrolled by thc screw H, so that the apparatus is under perfect control.

VThe article to be cooked or heated may of. course be arranged around suitable manner.

It is obvious that by this device I can attain a high degree of heat with a small exi penditureot" fluid, and that the amount of caloric evolved' can be regulated with great precision.

The heater-capsoon bethe heater in' any y chamber, en adjllstingserew,'and @wicktube, substantiallyinlthe manner and for the purpose described. t

In testimony whereof I have hereuntosub-l scribed my name. I

. RUSSEL R. LEWIS. Vitnesses:

W. E. SLOGUM, FREDK. B. SWIFT. 

